> Pentium 4 Mobile chips may crash with an illegal instruction.
> The problem has to do with this code:
> f=CPU_Flags();
> if((f&(TDNOW_CPU|MMX_CPU))==(TDNOW_CPU|MMX_CPU))
> return BlitRGBtoRGBPixelAlphaMMX3DNOW;
> Unfortunately, the P4M has those bits set, even though it's not an Athlon
> of any sort. This results in SIGILL crashes.
This is fixed in CVS, along with a new API for CPU feature detection.
Feel free to check it out!
http://www.libsdl.org/cvs/SDL-1.2.tar.gz (PRERELEASE CODE)
See ya!
-Sam Lantinga, Software Engineer, Blizzard Entertainment